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Difference between pipes

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  • Difference between pipes

    How do the pipes differ from stop to stop?

  • #2
    That's either a very long or very short answer. I suggest you read a good book about it. Audsley might not be "the" best but it sure is very comprehensive, easy to find and in english. Very short: it all depends on the relation between length, diameter (depth/width for wooden pipes), width of the mouth, height of the cut, form of the pipe (cilindrical, opening/closing towards the top), stopped or not etc.


    • #3
      Stephens Irwin's book "Dictionary of Organ Stops" also gives much information on this subject.

      My home organ is a Theatre III with an MDS II MIDI Expander.


      • #4
        Originally posted by Johnallen View Post
        How do the pipes differ from stop to stop?
        Read through the Dictionary of Organ Stops. There is quite a bit of information there. One could also search the Internet too.

        Way too many organs to list, but I do have 5 Allens:
        • MOS-2 Model 505-B / ADC-4300-DK / ADC-5400 / ADC-6000 (Symphony) / ADC-8000DKC
        • Lowrey Heritage (DSO-1)
        • 11 Pump Organs, 1 Pipe Organ & 7 Pianos


        • #5
          There are several basic types of pipes
          1. Open pipes typically diapasons which are the dominant church organ pipes
          2. Open flutes such as a melodic which have a softer more mellow sound
          3. Stopped flutes such as a gedeckt which are half length and have a somewhat hollow sound
          4. Strings such as salicional and other names. These pipes are thin diameter open pipes which have a much stronger harmonic development
          5. Reeds such as trumpets, oboes, rohr schalmi, and many others. These pipes create the sound by a striking reed in the bottom of the pipe much like the mouth piece of a clarinet and then have a resonator which shapes the sound of the beating reed.

          A classical organ will be dominated by the diapsons(about 30 percent) with the stopped flutes next. Open flutes are not popular with the neo-baroque set. There will generally be few reeds mostly of the trumpet or oboe type. The clarinet is starting to come back in style.

          A theatre organ will have all the above types of pipes with the string and reeds dominating being about 50 percent on small organs.

          I hope this brief description will help you navigate thru the more extensive references described above.